Java Volatile Keyword and Atomicity

Question

Even though the 'done' variable is declared as volatile, what concurrency issue still exists in the checkAndReset() method?
 
```java
public class VolatileFlag {
    private volatile boolean done = false;
    
    public void checkAndReset() {
        if (done) {
            done = false;
        }
    }
}
```

Accepted Answer

Race condition due to the non-atomic check-and-act operation.

Answer

Memory visibility problems remain unresolved.

Answer

Compilation failure due to improper volatile usage.

Answer

Deadlock because volatile variables can induce locking issues.

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